844
FZUS53 KDTX 291412
NSHDTX

Nearshore Marine Forecast for Michigan
National Weather Service Detroit/Pontiac MI
1012 AM EDT Tue Jul 29 2025

For waters within five nautical miles of shore

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

LHZ422-292215-
Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
1012 AM EDT Tue Jul 29 2025

.REST OF TODAY...Light and variable winds becoming northeast 5 to
10 knots in the afternoon. Partly cloudy. A chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...Northeast winds 15 to 20 knots becoming north 10 to
15 knots after midnight. Partly cloudy. A chance of showers and
thunderstorms early in the evening, then a slight chance of
showers and thunderstorms in the late evening and overnight.
Waves 1 to 3 feet.
.WEDNESDAY...North winds 10 to 15 knots becoming northeast 15 to
20 knots early in the afternoon. Partly cloudy. A slight chance
of. Waves 1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots diminishing to
10 to 15 knots in the late evening and overnight. Mostly cloudy
until early morning becoming partly cloudy. Waves 1 to 3 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ421-292215-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner
Saginaw Bay-
1012 AM EDT Tue Jul 29 2025

.REST OF TODAY...Light and variable winds becoming northeast 5 to
10 knots in the afternoon. Partly cloudy. A chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...Northeast winds 15 to 20 knots becoming north 10 to
15 knots after midnight. Partly cloudy. A chance of showers and
thunderstorms early in the evening, then a slight chance of
showers and thunderstorms in the late evening and overnight.
Waves 1 to 3 feet.
.WEDNESDAY...North winds 10 to 15 knots becoming northeast 15 to
20 knots early in the afternoon. Partly cloudy. Waves 1 to
3 feet.
.WEDNESDAY NIGHT...Northeast winds 15 to 20 knots diminishing to
10 to 15 knots in the late evening and overnight. Mostly cloudy
until early morning becoming partly cloudy. Waves 1 to 3 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ441-292215-
Port Austin to Harbor Beach MI-
1012 AM EDT Tue Jul 29 2025

.REST OF TODAY...North winds 5 to 10 knots late in the morning
becoming light and variable, then becoming east 5 to 10 knots
late in the afternoon. Partly cloudy. A chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...Northeast winds 10 to 15 knots backing to the north
after midnight. Partly cloudy. A chance of showers and
thunderstorms early in the evening, then a slight chance of
showers and thunderstorms in the late evening and overnight.
Waves 2 feet or less.
.WEDNESDAY...North winds 10 to 15 knots. Partly cloudy. Waves
1 to 3 feet.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Mostly cloudy
until early morning becoming partly cloudy. Waves 1 to 3 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ442-292215-
Harbor Beach to Port Sanilac MI-
1012 AM EDT Tue Jul 29 2025

.REST OF TODAY...Light and variable winds. Partly cloudy. A
chance of showers and thunderstorms in the afternoon. Waves
2 feet or less.
.TONIGHT...Light and variable winds becoming northeast 5 to
10 knots in the late evening and early morning, then becoming
north 15 to 20 knots after midnight. Partly cloudy. A chance of
showers and thunderstorms early in the evening, then a slight
chance of showers and thunderstorms in the late evening and
overnight. Waves 2 feet or less building to 2 to 4 feet after
midnight.
.WEDNESDAY...North winds 10 to 15 knots. Partly cloudy. A slight
chance of. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.
.WEDNESDAY NIGHT...North winds 10 to 15 knots. Mostly cloudy.
Waves 1 to 3 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LHZ443-292215-
Port Sanilac to Port Huron MI-
1012 AM EDT Tue Jul 29 2025

.REST OF TODAY...Light and variable winds. Partly cloudy. A
chance of showers and thunderstorms in the afternoon. Waves
2 feet or less.
.TONIGHT...Light and variable winds becoming southeast 5 to
10 knots in the late evening and early morning, then becoming
north 15 to 20 knots after midnight. Partly cloudy. A chance of
showers and thunderstorms early in the evening, then a slight
chance of showers and thunderstorms in the late evening and
overnight. Waves 2 feet or less building to 2 to 4 feet after
midnight.
.WEDNESDAY...North winds 10 to 15 knots. Partly cloudy. A slight
chance of. Waves 2 to 4 feet subsiding to 1 to 3 feet in the late
morning and afternoon.
.WEDNESDAY NIGHT...North winds 15 to 20 knots becoming northeast
10 to 15 knots after midnight. Mostly cloudy. A chance of showers
after midnight. Waves 2 to 4 feet.

See Lake Huron Open Lake Forecast for days 3 through 5.

$$

LEZ444-292215-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
1012 AM EDT Tue Jul 29 2025

.REST OF TODAY...Light and variable winds becoming southeast 5 to
10 knots in the afternoon. Partly cloudy. A chance of showers and
thunderstorms in the afternoon. Waves 2 feet or less.
.TONIGHT...Light and variable winds becoming south 5 to 10 knots
in the late evening and overnight. Mostly clear. A chance of
showers and thunderstorms early in the evening, then a slight
chance of showers and thunderstorms in the late evening and early
morning. Waves 2 feet or less.
.WEDNESDAY...North winds 5 to 10 knots veering to the northeast
early in the afternoon. Partly cloudy. A chance of showers early
in the afternoon. Waves 2 feet or less.
.WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Partly cloudy
early in the evening becoming mostly cloudy. A chance of showers
after midnight. Waves 1 to 3 feet.

See Lake Erie Open Lake Forecast for days 3 through 5.

The water temperature at Belle Isle is missing.

$$

KGK

You can obtain your latest National Weather Service forecasts online
a www.weather.gov/greatlakes